[Bug 298084] New: ASUS M2400N only boots with nolapic kernel parameter - openSUSE Bugs - openSUSE Mailing Lists

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[Bug 298084] New: ASUS M2400N only boots with nolapic kernel parameter

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bugzilla_noreply＠novell.com

7 Aug 2007 7 Aug '07

13:33

https://bugzilla.novell.com/show_bug.cgi?id=298084 Summary: ASUS M2400N only boots with nolapic kernel parameter Product: openSUSE 10.3 Version: Alpha 7 Platform: Other OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: trenn@novell.com ReportedBy: dgollub@novell.com QAContact: qa@suse.de Found By: --- ASUS M2400N only boots with "nolapic" kernel parameter. The machine can be found in Maxtorhof, Room 3.1.20 Last lines before the machine hangs: evgpeblk-0952 [04] ev_create_gpe_block : GPE 00 to 1F [_GPE] 4 regs on int 0x9 evgpeblk-1048 [03] ev_initialize_gpe_block: Found 7 Wake, Enabled 3 Runtime GPEs in this Let me know if you need further information... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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7 Aug 7 Aug

14:07

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c1 Thomas Renninger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED --- Comment #1 from Thomas Renninger 2007-08-07 08:07:39 MST --- Oh, this is a bit earlier than I thought... I thought it's about not working apic timers in C2/C3. This is a i386 machine? What is the last working kernel tried out on this machine? Does it also work with nohz=off instead of nolapic? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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15:27

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c2 --- Comment #2 from Daniel Gollub 2007-08-07 09:27:34 MST --- (In reply to comment #1 from Thomas Renninger)

Oh, this is a bit earlier than I thought... I thought it's about not working apic timers in C2/C3.

This is a i386 machine? Yes - it's a i386 machine.

What is the last working kernel tried out on this machine? Can't remember but i guess one of the latest major kernel updates - at least i know that the 10.2 kernel was working fine with this machine. Should i try to track back which Alpha kernel was working?

Does it also work with nohz=off instead of nolapic? Unfortunately not...

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15:45

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c3 --- Comment #3 from Daniel Gollub 2007-08-07 09:45:10 MST --- I tried 2.6.21-3 (Alpha3plus) without success... there is also nolapic required. Should i try older kernel as well? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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8 Aug 8 Aug

16:41

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c4 Thomas Renninger changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ak@novell.com --- Comment #4 from Thomas Renninger 2007-08-08 10:41:49 MST --- No. I expect it has to do with the latest CLOCKEVENTS,HIGH_RES,NO_HZ implementations, but this is just a rough guess. Oh wait, 2.6.21 does not have them included yet? Does this machine by luck have a serial device? Andi, do you have an idea? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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10 Aug 10 Aug

16:35

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c5 --- Comment #5 from Daniel Gollub 2007-08-10 10:35:10 MST --- Sorry, unfortunately there is no serial port... Result of git bisect: dgollub@stravinsky:/extern/dgollub/linux-2.6> cat .git/refs/bisect/bad b7471c6da94d30d3deadc55986cc38d1ff57f9ca http://dev.laptop.org/git.do?p=olpc-2.6;a=commit;h=b7471c6da94d30d3deadc5598... Does this help somehow? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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17:26

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c6 --- Comment #6 from Andi Kleen 2007-08-10 11:26:22 MST --- Do you have nmi_watchdog=... options in your menu.lst? The commit is nmi watchdog related, but that one shouldn't even be running by default in 10.3. Can you double check the bisect really stopped at the right place? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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18:04

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c7 --- Comment #7 from Daniel Gollub 2007-08-10 12:04:31 MST --- Nope i don't have any nmi_watchdog=... option. But if i replace nolapic with nmi_watchdog=0 ... it works as well. I tried this with 2.6.22.1 from full-i386. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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20:28

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c8 --- Comment #8 from Daniel Gollub 2007-08-10 14:28:57 MST --- Created an attachment (id=156875) --> (https://bugzilla.novell.com/attachment.cgi?id=156875) Fix to keep watchdog disabled by default -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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20:30

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c9 --- Comment #9 from Daniel Gollub 2007-08-10 14:30:02 MST --- I guess i found the problem ... The problem was: diff -rup a/linux-2.6.23-rc2/arch/i386/kernel/apic.c b/linux-2.6.23-rc2/arch/i386/kernel/apic.c --- a/linux-2.6.23-rc2/arch/i386/kernel/apic.c 2007-08-04 04:49:55.000000000 +0200 +++ b/linux-2.6.23-rc2/arch/i386/kernel/apic.c 2007-08-10 21:38:37.000000000 +0200 @@ -1087,7 +1087,7 @@ static int __init detect_init_APIC (void if (l & MSR_IA32_APICBASE_ENABLE) mp_lapic_addr = l & MSR_IA32_APICBASE_BASE; - if (nmi_watchdog != NMI_NONE) + if (nmi_watchdog != NMI_NONE && nmi_watchdog != NMI_DISABLED) nmi_watchdog = NMI_LOCAL_APIC; printk(KERN_INFO "Found and enabled local APIC!\n"); At the patched expression the nmi_watchdog was set to NMI_DEFAULT (-1) (NMI_NONE is 0) .. so the nmi_watchdog got set to NMI_LOCAL_APIC. There was also a discussion about disabling the watchdog by default which partly fixed this bug: http://lkml.org/lkml/2007/3/5/111 But the patch didn't made it in to vanilla .. since the expression above was still broken. My patch introduced NMI_DISABLED which allows to switch the value of NMI_DEFAULT without breaking the same code again. Could you please review my patch? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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21:42

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c10 --- Comment #10 from Andi Kleen 2007-08-10 15:42:44 MST --- Good catch. The patch looks correct. I can put it in for mainline and stable -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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13 Aug 13 Aug

10:58

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084#c11 Thomas Renninger changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|trenn@novell.com |ak@novell.com Status|ASSIGNED |NEW --- Comment #11 from Thomas Renninger 2007-08-13 04:58:48 MST ---

I can put it in for mainline and stable -> reassign to Andi.

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17 Mar 17 Mar

11:05

New subject: [Bug 298084] ASUS M2400N only boots with nolapic kernel parameter

https://bugzilla.novell.com/show_bug.cgi?id=298084 User dgollub@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=298084#c14 Daniel Gollub changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dgollub@novell.com Status|NEW |RESOLVED Resolution| |FIXED --- Comment #14 from Daniel Gollub 2008-03-17 05:05:27 MST --- Patched got accepted mainline. 0328ecef9041fe477efc2404fd3aaa29e7ee0430 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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